Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
808 FZUS54 KHGX 181909 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 209 PM CDT Tue Jun 18 2024 Upper Texas coastal waters from High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. GMZ300-190815- Synopsis for High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays 209 PM CDT Tue Jun 18 2024 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. A broad area of low pressure over the southwestern Gulf of Mexico is expected to become a tropical storm as it tracks towards Mexico. Highs winds, hazardous seas, and above normal coastal water levels are likely well north of the center of the storm. With the exception of Galveston Bay, a Tropical Storm Warning is in effect over our coastal waters. Small Craft Advisory remains in effect for Galveston Bay, but some gusts above 35 knots are possible at times. Water levels will be rising and would anticipate some coastal flooding in the bays and along the beaches. Higher winds are possible in thunderstorms. Small craft should consider remaining in port until weather conditions start improving later this week. $$ GMZ335-190815- Galveston Bay- 209 PM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .TONIGHT...East winds around 30 knots. Bay waters very rough. Showers likely with a chance of thunderstorms. .WEDNESDAY...East winds around 30 knots with gusts up to 40 knots. Bay waters very rough. Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...East winds 30 to 35 knots with gusts up to 50 knots, easing to 25 to 30 knots after midnight. Bay waters extremely rough, easing to very rough after midnight. Thunderstorms likely in the evening. Showers likely. A chance of thunderstorms after midnight. .THURSDAY...East winds 20 to 25 knots, easing to around 20 knots in the afternoon. Bay waters rough, easing to choppy in the afternoon. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .THURSDAY NIGHT...East winds 15 to 20 knots, easing to around 15 knots after midnight. Bay waters choppy, easing to slightly choppy after midnight. A chance of showers and thunderstorms. .FRIDAY...East winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms. .FRIDAY NIGHT...East winds 10 to 15 knots, easing to around 10 knots after midnight. Bay waters slightly choppy, easing to smooth after midnight. A chance of showers and thunderstorms early in the evening. .SATURDAY...East winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots, easing to around 10 knots after midnight. Bay waters slightly choppy, easing to smooth after midnight. A chance of showers and thunderstorms early in the evening. .SUNDAY...East winds around 10 knots, becoming southeast 10 to 15 knots in the afternoon. Bay waters smooth, rising to slightly choppy in the afternoon. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds 10 to 15 knots, easing to around 10 knots after midnight. Bay waters slightly choppy, easing to smooth after midnight. A chance of showers and thunderstorms early in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ330-190815- Matagorda Bay- 209 PM CDT Tue Jun 18 2024 ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...Northeast winds 25 to 35 knots. Gusts to 50 knots. Bay waters very rough. A chance of thunderstorms. A chance of showers this evening, then showers after midnight. .WEDNESDAY...Northeast winds 25 to 35 knots with gusts up to 50 knots. Bay waters very rough. Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...East winds 25 to 35 knots. Gusts to 50 knots. Bay waters very rough. Showers with thunderstorms likely until early morning, then showers with a chance of thunderstorms late. .THURSDAY...East winds 20 to 25 knots. Bay waters rough. A chance of thunderstorms. Showers. .THURSDAY NIGHT...East winds 20 to 25 knots, easing to around 20 knots after midnight. Bay waters rough, easing to choppy after midnight. A chance of thunderstorms. Showers likely early in the evening, then a chance of showers in the late evening and overnight. .FRIDAY...East winds 10 to 15 knots. Bay waters slightly choppy. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms early in the evening. A chance of showers after midnight. .SATURDAY...East winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers. A chance of thunderstorms in the afternoon. .SATURDAY NIGHT...East winds 10 to 15 knots, easing to around 10 knots after midnight. Bay waters slightly choppy, easing to smooth after midnight. A chance of showers and thunderstorms early in the evening. .SUNDAY...East winds around 10 knots, rising to 10 to 15 knots in the afternoon. Bay waters smooth, rising to slightly choppy in the afternoon. A chance of showers and thunderstorms. .SUNDAY NIGHT...East winds 10 to 15 knots, becoming southeast around 10 knots after midnight. Bay waters slightly choppy, easing to smooth after midnight. A chance of showers and thunderstorms early in the evening. A chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ350-355-190815- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 209 PM CDT Tue Jun 18 2024 ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...East winds 25 to 35 knots. Gusts to 50 knots after midnight. Seas 9 to 12 feet, occasionally to 15 feet. Wave Detail: East 11 feet at 9 seconds. Thunderstorms likely. Showers. .WEDNESDAY...East winds 25 to 35 knots with gusts up to 50 knots. Seas 11 to 15 feet, occasionally to 19 feet. Wave Detail: East 14 feet at 10 seconds. Thunderstorms likely. Showers. .WEDNESDAY NIGHT...East winds 25 to 35 knots. Gusts to 50 knots in the evening. Seas 11 to 15 feet, occasionally to 19 feet. Wave Detail: East 14 feet at 10 seconds. Showers with thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. .THURSDAY...East winds around 30 knots, easing to 20 to 25 knots in the afternoon. Seas 9 to 12 feet, occasionally to 15 feet. Wave Detail: East 12 feet at 10 seconds. A chance of thunderstorms. Showers until late afternoon, then a chance of showers late. .THURSDAY NIGHT...East winds 20 to 25 knots, easing to around 20 knots after midnight. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: East 9 feet at 9 seconds. A chance of showers and thunderstorms. .FRIDAY...East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 9 seconds. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .FRIDAY NIGHT...East winds 15 to 20 knots, easing to around 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers and thunderstorms early in the evening. A chance of showers late. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. A chance of showers. A chance of thunderstorms in the afternoon. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. A chance of showers and thunderstorms early in the evening. A chance of showers and thunderstorms late. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. A chance of showers and thunderstorms early in the evening. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ370-375-190815- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 209 PM CDT Tue Jun 18 2024 ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...Northeast winds 30 to 35 knots with gusts up to 50 knots. Seas 10 to 13 feet, occasionally to 17 feet, building to 11 to 15 feet, occasionally to 19 feet after midnight. Wave Detail: East 14 feet at 9 seconds. Thunderstorms likely. Showers. .WEDNESDAY...East winds 30 to 35 knots with gusts up to 50 knots. Seas 13 to 17 feet, occasionally to 22 feet. Wave Detail: East 17 feet at 10 seconds. Showers, thunderstorms. .WEDNESDAY NIGHT...East winds 30 to 35 knots with gusts up to 50 knots, easing to 25 to 30 knots after midnight. Seas 13 to 18 feet, occasionally to 23 feet, subsiding to 12 to 16 feet, occasionally to 20 feet after midnight. Wave Detail: East 17 feet at 10 seconds. Showers with thunderstorms likely in the evening, then showers with a chance of thunderstorms after midnight. .THURSDAY...East winds 20 to 25 knots. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: East 13 feet at 10 seconds. A chance of thunderstorms. Showers. .THURSDAY NIGHT...East winds 20 to 25 knots. Seas 8 to 11 feet, occasionally to 14 feet, subsiding to 7 to 9 feet, occasionally to 11 feet after midnight. Wave Detail: East 10 feet at 9 seconds. A chance of thunderstorms in the evening. Showers likely. .FRIDAY...East winds 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: East 8 feet at 9 seconds and south 1 foot at 7 seconds. Showers likely until late afternoon. A chance of thunderstorms in the late morning and afternoon. A chance of showers late. .FRIDAY NIGHT...East winds 15 to 20 knots, easing to around 15 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. A chance of thunderstorms until early morning. A chance of showers. .SATURDAY...East winds around 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. A chance of showers. A chance of thunderstorms in the afternoon. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers and thunderstorms early in the evening. A chance of showers and thunderstorms after midnight. .SUNDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 5 feet. A chance of showers and thunderstorms early in the evening. A chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$